Multiply using the FOIL method.(3 + x)(-9 + x)
A. x2 - 27x - 6
B. x2 - 6x - 6
C. x2 - 6x - 27
D. x2 - 7x - 27
Answer: C
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Sketch the graph of the equation. Identify the vertex and the intercepts.y = -4x2 - 8x - 8
A. Vertex (-1, -4)
x-intercepts: none
y-intercept:
B. Vertex (1, -4)
x-intercepts: none
y-intercept (0, -8)
C. Vertex: (-1, -4)
x-intercepts: none
y-intercept: (0, -8)
D. Vertex (1, -4)
x-intercepts: none
y-intercept
Convert the radian measure to degrees. Round to the nearest hundredth if necessary.
A. 0.523°
B. °
C. 30?°
D. 30°
Find a polynomial with real coefficients that has zeros -1, 3i, and -3i.
A. x3 + 9x2 + x + 9 B. x3 + x2 - 9x - 9 C. x3 + x2 + 3x + 3 D. x3 + x2 + 9x + 9 E. x3 - x2 + 9x - 9
Use the rules for multiplication of measurements to evaluate.
A. 34,421,600
B. 30,000,000
C. 34,000,000
D. 33,850,000
E. 33,800,000